On March 21, 2023, Zhuhai High-tech Construction Investment Co., Ltd. successfully issued the first AA+ corporate bond for technological innovation incubation in China, with an issuance scale of RMB 500 million, a maturity period of 3+2 years, and a coupon rate of 3.6%, setting a new low coupon rate of the same grade, maturity and variety of bonds in China since 2023. As the issuer of the first bookkeeping AA+ corporate bond for technological innovation incubation in China, Zhuhai High-tech Construction Investment meets the criteria of the issuer of the "technological innovation incubation category."